8-Channel/Dual 4-Channel,
Low-Leakage, CMOS Analog Multiplexers
_________________________________Test Circuits/Timing Diagrams (continued)
+15V 10nF
VIN
RS = 50Ω
NO1
V+
NO8
A0
COM
A1 MAX338
A2
GND EN
V-
VOUT
RL
1kΩ
RL=
1kΩ
RS = 50Ω
+15V 10nF
VOUT NO1
V+
NO2
NO8 MAX338
A0
COM
A1
A2
GND EN
V-
10nF
-15V
OFF ISOLATION = 20log VOUT
VIN
Figure 6. Off-Isolation
10nF
-15V
Figure 7. Crosstalk
CROSSTALK = 20log VOUT
VIN
CHANNEL
SELECT
+15V
V+
A2
NO1
A1 MAX338 NO8
A0
COM
GND EN V-
-15V
METER
IMPEDANCE
ANALYZER
f = 1MHz
Figure 8. NO/COM Capacitance
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